This green magnetic gridding tape from Magnet Expert is 25mm wide and 0.76mm thick, with a 5-meter length. It features a striped north-south magnetic field with a 3mm pole pitch for a secure grip. No protective plating is required. The tape can be easily cut to the desired length with scissors, provides a secure grip, and is easily removed without leaving marks. It is ideal for marking out grids on whiteboards, noticeboards, or filing cabinets.